44222440444020 has 72 divisors (see below), whose sum is σ = 134486239403880. Its totient is φ = 11762335468800.

The previous prime is 44222440443983. The next prime is 44222440444051. The reversal of 44222440444020 is 2044404422244.

44222440444020 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 244 + 0 + 4 + 4 + 402 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8841975814116 + 35380464629904 = 2973546^2 + 5948148^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315714331 + ... + 315854370.

It is an arithmetic number, because the mean of its divisors is an integer number (1867864436165).

Almost surely, 2^{44222440444020} is an apocalyptic number.

It is an amenable number.

44222440444020 is an abundant number, since it is smaller than the sum of its proper divisors (90263798959860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44222440444020 is a wasteful number, since it uses less digits than its factorization.

44222440444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631569105 (or 631569100 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 44222440444020 its reverse (2044404422244), we get a palindrome (46266844866264).

The spelling of 44222440444020 in words is "forty-four trillion, two hundred twenty-two billion, four hundred forty million, four hundred forty-four thousand, twenty".